Mechanical & Desktop calculators
(epocalc collection)


Model
Year
Picture
Description

ALLEN WALES
11E

1927

REMINGTON-RAND
MONARCH 93

1939

NISA
K

1956

OLIVETTI
DIVISUMMA
24

1956

  • Production : 1956 - 1964
  • Display : printer
  • Power : AC
  • Made : Italy

  • Electro-mecanical calculator
  • The first full automatic
    4 operations calculator
  • Heavy (14.6 kg) and 70 W !
  • Designed by Marcello Nizzoli

  • Impressive internal view
  • Advertising (CH)
  • Advertising (I)

OLIVETTI
Summa
PRIMA 20

1960

SHARP
CS-12D

1969

CASIO
AS-A

1970

CASIO
AS-8A

1971


CASIO
121-L

1972

CASIO
121-F

1975

SUMLOCK
ANITA
1011 LSI

1971

SHARP
CS-242

1971

SANYO
ICC-800
1971


BURROUGHS
C5206

1971


HEWLETT
PACKARD
46

1973

COMPUCORP
322G

1973

SUMLOCK
COMPUCORP
324G

1973

SHARP
EL-804

1973

TEXAS
INSTRUMENTS
TI-4000

1973

MBO
K-80W

1973

  • Production : 1973
  • Display : GDT 8
  • Power : 4 x C
  • Made : Japan

  • Portable model
  • Identical to the Weltron and Kovac
    K80 models

  • Additional informations
ADLER
816 AD

1973

 


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